Dr. Sex/Lady Frankenstein

In Dr. Sex (1964), three sex researchers discuss their strangest cases. In Lady Frankenstein (1971), when Dr. Frankenstein is killed by a monster he created, his daughter and his lab assistant Marshall continue his experiments. The two fall in love and attempt to transplant Marshalls brain in to the muscular body of a retarded servant Stephen, in order to prolong the aging Marshalls life.